java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1012b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:20:56,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:20:56,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:20:56,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:20:56,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:20:56,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:20:56,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:20:56,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:20:56,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:20:56,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:20:56,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:20:56,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:20:56,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:20:56,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:20:56,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:20:56,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:20:56,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:20:56,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:20:56,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:20:56,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:20:56,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:20:56,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:20:56,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:20:56,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:20:56,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:20:56,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:20:56,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:20:56,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:20:56,706 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:20:56,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:20:56,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:20:56,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:20:56,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:20:56,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:20:56,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:20:56,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:20:56,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:20:56,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:20:56,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:20:56,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:20:56,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:20:56,716 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:20:56,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:20:56,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:20:56,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:20:56,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:20:56,750 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:20:56,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:20:56,750 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:20:56,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:20:56,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:20:56,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:20:56,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:20:56,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:20:56,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:20:56,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:20:56,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:20:56,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:20:56,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:20:56,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:20:56,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:20:56,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:20:56,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:20:56,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:20:56,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:20:56,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:20:56,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:20:56,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:20:56,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:20:56,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:20:56,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:20:56,806 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:20:56,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:20:56,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:20:56,831 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:20:56,832 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:20:56,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1012b.c [2019-09-08 01:20:56,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc69da497/82f4a6c621714748b3999ba422916d9e/FLAG21dc5a426 [2019-09-08 01:20:57,340 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:20:57,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1012b.c [2019-09-08 01:20:57,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc69da497/82f4a6c621714748b3999ba422916d9e/FLAG21dc5a426 [2019-09-08 01:20:57,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc69da497/82f4a6c621714748b3999ba422916d9e [2019-09-08 01:20:57,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:20:57,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:20:57,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:20:57,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:20:57,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:20:57,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:20:57" (1/1) ... [2019-09-08 01:20:57,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d20904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:57, skipping insertion in model container [2019-09-08 01:20:57,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:20:57" (1/1) ... [2019-09-08 01:20:57,800 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:20:57,819 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:20:58,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:20:58,078 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:20:58,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:20:58,297 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:20:58,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58 WrapperNode [2019-09-08 01:20:58,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:20:58,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:20:58,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:20:58,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:20:58,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (1/1) ... [2019-09-08 01:20:58,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (1/1) ... [2019-09-08 01:20:58,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (1/1) ... [2019-09-08 01:20:58,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (1/1) ... [2019-09-08 01:20:58,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (1/1) ... [2019-09-08 01:20:58,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (1/1) ... [2019-09-08 01:20:58,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (1/1) ... [2019-09-08 01:20:58,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:20:58,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:20:58,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:20:58,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:20:58,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:20:58,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:20:58,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:20:58,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-09-08 01:20:58,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-09-08 01:20:58,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2019-09-08 01:20:58,399 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2019-09-08 01:20:58,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:20:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:20:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-09-08 01:20:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-09-08 01:20:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:20:58,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:20:58,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:20:58,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:20:58,402 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2019-09-08 01:20:58,402 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2019-09-08 01:20:58,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:20:58,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:20:58,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:20:58,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:20:58,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:20:58,735 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:20:58,736 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-09-08 01:20:58,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:20:58 BoogieIcfgContainer [2019-09-08 01:20:58,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:20:58,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:20:58,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:20:58,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:20:58,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:20:57" (1/3) ... [2019-09-08 01:20:58,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b5e2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:20:58, skipping insertion in model container [2019-09-08 01:20:58,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:58" (2/3) ... [2019-09-08 01:20:58,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b5e2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:20:58, skipping insertion in model container [2019-09-08 01:20:58,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:20:58" (3/3) ... [2019-09-08 01:20:58,751 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1012b.c [2019-09-08 01:20:58,771 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:20:58,781 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:20:58,799 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:20:58,831 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:20:58,832 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:20:58,832 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:20:58,832 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:20:58,832 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:20:58,833 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:20:58,833 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:20:58,833 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:20:58,833 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:20:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-09-08 01:20:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-08 01:20:58,857 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:20:58,858 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:20:58,860 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:20:58,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:20:58,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1713992029, now seen corresponding path program 1 times [2019-09-08 01:20:58,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:20:58,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:20:58,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:20:58,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:20:58,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:20:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:20:59,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:20:59,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:20:59,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:20:59,018 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:20:59,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:20:59,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:20:59,033 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2019-09-08 01:20:59,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:20:59,054 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2019-09-08 01:20:59,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:20:59,055 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2019-09-08 01:20:59,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:20:59,062 INFO L225 Difference]: With dead ends: 54 [2019-09-08 01:20:59,062 INFO L226 Difference]: Without dead ends: 27 [2019-09-08 01:20:59,065 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:20:59,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-09-08 01:20:59,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-09-08 01:20:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-09-08 01:20:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2019-09-08 01:20:59,100 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2019-09-08 01:20:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:20:59,101 INFO L475 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2019-09-08 01:20:59,101 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:20:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2019-09-08 01:20:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-08 01:20:59,102 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:20:59,102 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:20:59,103 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:20:59,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:20:59,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1241118945, now seen corresponding path program 1 times [2019-09-08 01:20:59,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:20:59,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:20:59,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:20:59,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:20:59,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:20:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:20:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:20:59,387 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:20:59,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:20:59 BoogieIcfgContainer [2019-09-08 01:20:59,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:20:59,433 INFO L168 Benchmark]: Toolchain (without parser) took 1645.92 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 86.0 MB in the beginning and 123.6 MB in the end (delta: -37.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:59,435 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:20:59,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.55 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.8 MB in the beginning and 175.7 MB in the end (delta: -89.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:59,439 INFO L168 Benchmark]: Boogie Preprocessor took 46.29 ms. Allocated memory is still 199.2 MB. Free memory was 175.7 MB in the beginning and 173.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:59,440 INFO L168 Benchmark]: RCFGBuilder took 392.73 ms. Allocated memory is still 199.2 MB. Free memory was 173.2 MB in the beginning and 153.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:59,440 INFO L168 Benchmark]: TraceAbstraction took 685.18 ms. Allocated memory is still 199.2 MB. Free memory was 153.1 MB in the beginning and 123.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:59,445 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 512.55 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.8 MB in the beginning and 175.7 MB in the end (delta: -89.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.29 ms. Allocated memory is still 199.2 MB. Free memory was 175.7 MB in the beginning and 173.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 392.73 ms. Allocated memory is still 199.2 MB. Free memory was 173.2 MB in the beginning and 153.7 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 685.18 ms. Allocated memory is still 199.2 MB. Free memory was 153.1 MB in the beginning and 123.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 73]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of bitwiseAnd at line 38. Possible FailurePath: [L68] double x = -1.0 / 0.0; [L69] CALL, EXPR fabs_double(x) VAL [\old(x)=8589934599] [L45] __uint32_t high; VAL [\old(x)=8589934599, x=8589934599] [L47] ieee_double_shape_type gh_u; [L48] gh_u.value = (x) [L49] EXPR gh_u.parts.msw [L49] (high) = gh_u.parts.msw [L52] ieee_double_shape_type sh_u; [L53] sh_u.value = (x) [L54] sh_u.parts.msw = (high & 0x7fffffff) [L55] EXPR sh_u.value [L55] (x) = sh_u.value [L57] return x; VAL [\old(x)=8589934599, \result=8589934599, high=15, x=8589934599] [L69] RET, EXPR fabs_double(x) VAL [fabs_double(x)=8589934599, x=8589934599] [L69] double res = fabs_double(x); [L72] CALL, EXPR isinf_double(res) VAL [\old(x)=8589934599] [L31] __int32_t hx, lx; VAL [\old(x)=8589934599, x=8589934599] [L33] ieee_double_shape_type ew_u; [L34] ew_u.value = (x) [L35] EXPR ew_u.parts.msw [L35] (hx) = ew_u.parts.msw [L36] EXPR ew_u.parts.lsw [L36] (lx) = ew_u.parts.lsw [L38] hx &= 0x7fffffff [L39] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L40] hx = 0x7ff00000 - hx [L41] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=8589934599, \result=0, hx=2146435073, lx=-2, x=8589934599] [L72] RET, EXPR isinf_double(res) VAL [isinf_double(res)=0, res=8589934599, x=8589934599] [L72] COND TRUE !isinf_double(res) [L73] __VERIFIER_error() VAL [res=8589934599, x=8589934599] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 40 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...